DIVISION 6 - LINCOLN LABORATORY

(1)

6D-52-1

Page 1

DIVISION 6 - LINCOLN LABORATORY

MASSACHUSETTS INSTITUTE OP 1a3. Io[lft

LEXINGTON 73, MASSACHUSE'M'S

Compilation of M Series Memoranda in Division 6 Document Room, Building C-129.

HOe

6M

Title Date Author

1 Procurement of Supplies

3-4--46

^J.

w.

^Forrester

2 Initialing of Approved Invoices )-9--46 J.

w.

^Forrester

3 Availability of Surplus Material.

at the Maspeth Annex

3-15-46

^H.

^B.

^Morley

4

Janes Swett

3-18-46

J.

w.

^Forrester

5

InterUi Report on Scope

Recorder

3-20-46 B. B.

Driske

6

Simplified Equs.t.ions of

Motion~ Model A Airplane

4--4-46 H.

Fahnestock:

7 Power Supplies

4-8-46

H. R. Boyd

8

Gaussian (Addition and Sub-

tractlo~LogarithmB

3-26-46

K. B. Tuttle 9 Con£erence wi th RCA Vacuum

Tube Representatives, Messrs~

J. H. Hal~n, J0 T~ Wilso~,

and J.. p" Dri ver on

3-3-46 4-24-46

^J.

w.

FOT.':"e8ter 10 The ENIAC at University of

PeDu7'1.YaIl1a 4-29--46 J. ii. }Porre st.er I I Appr~ximation of Empirical

Fun~~ion~ (rreLL~na-~ Inves-

tigation)

4-24-46

^K. ^B. ^Tuttle

1.2 Clarification of Soa:e Points

on Digj tal. COJDpU tation

5-1-.46 P. D. Tilton 13

Block Schematic Group

5-6-46 P. D.

Tilton

14

Block ':;chematics

5-10-46 P. D.

Tilton

15 s.

D. Rich Submarine Signal

5-21-.46

J. W. Forrester

els.

U U

U

U U

U

U U U U

(2)

60-52-1

Pag. 1&

No. 6M Title

Date

Aut.hR

Cle.

16

Cyclophon Tubes

5-21-46

^{J •••}^Forrester ^U

17

Dan Atchley, Sylvania

5-21-46

^J.^W. 'errestftr ^U

18

Talk with Mr. S.D. Rich, D, R ... Brown U

Subaarine Signal

6-10-46 T.

F. W.t.ett

19

Two-Stage Potentia.eter

Multipler

6-12-b6 R. L.

Brown U

20

Pulse shape Control Circuit,

Drawing No.

B-39052 7-1-46

^J.^W. ^Forrester ^U

21

Low Frequency Demonstration

Adder

7-18-46

L. D. Wilson U

22

Single-trace Oscillograph

8-5.-46

Electronics U Research Group

23

Power Supplies 8-7~6

R. L.

BX"OWD U

24

ActiTitiee of the Computer-

C1rCuit~1 Switching and Elec-

~~nic Engineering ⁱ⁾¹rlsions

9-9~6

for the month of August D.R.. Br01ll1 U

25

Activities of the Computer- Circuits, Switching and Elec- tronic Bag1neeriog Divisions

for the month of September

10-2...q6

D. R. BrOlm U

26

storage Tube Program

lO-2e-46

^J.V. Forrester U

Z7

Activities of the Computer- Circui ts, ^Switelling, and Elec- tronic-Engineering Divisions

for the month of October

1l-;;e46 D. R.

Brown

u

28

Laboratory Cleaning 11-8~t) Ho

R.

Boyd U

29 storage Tubes, AlLUninum Oxi1e

Surface 11-8--46

J. w.

Forrester U

30 Model I Sturage Tube Tests

ll-13-46 s. H.

Dodd U

31

Space Requirements - DIC

6345 11-14-46

J.

W.

Forrest.er U

32

Numerical Solution Method ll-18~6

v. ^s.

^Loud ^U

33

Prototype Computel' Plans ll-20-h6·

H.

Fahnes"tock U

(3)

(j)-52-1

fit.l"

34

Pr(\gresl9 Report of Storage Tube, Modell, a3

or

lovem- bel⁴

19, 1946

35

Preparation

or

Sample. for inod1ztng

)6 l'rogress Report - .nUJD.1Aa Oxide ·~ur.f.ce.

37

Prototype Co~uter Meeting loveaber 21st

)8 Test on 11'1odi "-Ad A1waiDUJII SurfAcea

39

Students Engaged in Thesis Reasearch Sponsored by

--ll&t ...

3-.-_ _ ... Mn ... tlMibo .. rlloo.-_

ll-20~6 p. Ycuts

u

11-20-46

J.

o. My U ll-2J.-46

P. Youtz u

11-22-46 H. Fahne 8to~

11-27.JJf, J. R. MacDonald U

DIC

6345 11-2b-46 J. W. Forrester U

40

^{'rne sla}^Subjects

11-27 -L.6

J.

W. Forrester

^U

41

Floor Spa~e Req~ed to DeTe-

lo?, Install and finally House

the ~crart AnalTzer with Associated

High- Speed Electronic Computer 11-29-46 J. W. Forrester U

42

^StorJ.geTube Reaearch Prograa 12-946 J.

w.

^Forre~ter ^U

Pr~-Prctotype S tiatus, Report 12-13-J~6 H ... 'aJm8~toclc

u

Progress Report of Storage Tube

Model 2 ac of December 12,

1946

12-13~6 P. Youtz

u 45

rJ.""ogres8 Report of Stprage Tube

Modell Q8 of DeceEar 13, 1946 12-13-46 P. lout:.

46

~eparatton of Metallic Coat1..ngs

for Grid structure! 12-18-46

I'.

R. MacDonald U

47 48 49

50

Pr-e-prototype v o lip utel- Meetir.tg 12-1.

7-46

H. Fahnestock Potentj al Field Mapping 1.2-18-h6 R. L. Br.o'W O(,tline of DyJ: gmlc 1edts on

S~l"age Tubee

~ rogress "V~~o;,t OD Storetg<! Tl-.be

s.

Dodd 12-19--46 W. J. Rolan

P.Ycuts

Mo.Jel 3 as of PacallDer 19, 1()46 12-19-46 P. Youtz

u

(4)

6i).52.J. p . . . 3"

10.

6M

Title

Date

iut.bor

-

Cl.a.

51

^Progre8s

^Report or

storage fube Modd.l.

4

as

or

DeC4lllber

19, 1946 12 -19-46

^p.^Youtz ^U

52

Nows and Block Diagr&Ja!S ror

the Pre-Pro~otype Computer

12-27-46

R. Everett U

53 ^Tool

Color Code

1-2-47

^{H. R.} ^Boyd.

u

54

Students Engaged 1a Thesis

Research Sponsored by DIe

6345 1-3-47

J. V. Forrester U

55

Pre-Prototype

StatU8

Report

2-28-47

H. rahnest.ock U

56

Construction and Operation of

an Electrolytic Plotting Tank 1-17~7 J. MacDonald U

57

Fle'or Space Proposal 1-30-.47 H. Fahnestock U

51

Talk vit·h Srlvania on Crystal

Rect11'iers Jm uary

31, 1947 2-&47

^D.

R.

Brovn U

59 Pre-Protot.ype Statue Report

2-28-47 H.

P'abnestock U 60 Vh1rlwiDd ~ iotes

3-13-47 ^H.

Fahnestock U

61

Discussion of Numerical

Met.hods

3-17-47 w.

S. Lodd U

62

The Project Whirlwind Program of Electronic Digital Computa-

tion

3-12-47 ^J. w.

^Forrester U

63

Digital Computing Machine

Logie

3-19-47 R. R ..

ET~rett

64

Mathematical Problems of High

Speed Digital Computation

3-26-37 w.

^{S. Loud} U

65

Solution of Simplified ASCi on

W-1 3-.31..46 ^H.

Fahnestock U

66 Hi£h - Speed Digi tal-Computer

CiJ"cuits

4-2--47

^D.^R. ^Brawn ^U

6;

~pe Preparation and Testing of Anodi zed .ll uminuJIl Diele ctric

SUZ"!e.ces

4-22-47

R. MacDonald U

(5)

til-52-1

Page.

~r2! ^71tle

^Date ^Author

^CIs.

68

Syl Tania

m34

Genaaniua- Cry- staL DloQe 3ack Conduction

Char:.,.cteristiC8

4-26-41 ^R.

^Palmiter ^U

69

Digital Computer Block Dia-

grams

4-9-47 ^R. a.

^EvArett ^U

70 Da ta Storage ill Three Di-

Mlwsions

4-29--47

^J.

^W.

^Forre.ter ^U

n

Discuss1oi). of Detentinan·t,a of Large Order

b7

Professor lIorbert

Weiner

5-1-47 w.

S .. Loud U

72

De.i..ca'tzaU-ea Char act.ar1a tics of Gen~ra1 Electric 1E-2 Beon

Lamp

4 ..

29-47

R.

Palmiter U

73

Universal Film Handling Ma- chine to be Designed b,y East-

.an

Kodak 5-5-47

^J.^W. ^Forrester ^U

74

Project Whirlwlnd Aircraft

cockpit Equipment

5-9-47

^J.

W. Forrest.er

U

75

High-speed Gas Discharge Gaps tor Data Storage in Klectronic

Computers 5-2.0-47 J. V. P'orreater U

76 Digital

Co~uters in Science

5-9-47 ^J. W. Forrester

^U

77

^Use

ot D. C.

Restorer Circuits

as a Means of ElL'ld.nating

D. C.

Coupling

in Digital

Computer

Circuits

5-28-47 R. F. Marbd

U

78

Solution of r· ·lat.ion~ with

M.i.ni.mlm Errnr

6-2-47 w.

^S.^Loud ^U

79

Pulse

Transtormer for

WW!

6-6-47 G. G.

Hoberg U

80

Gate Tubes in WWl

6-6-47 L.

D. Wilson U

81

Trip to Sylvania at Emporium

to In.:i'l:late Develop:.ent of D. R. Br01l1l

Cate Tube

6-ll-47 L. D. Wilson

U

82

Sylvania Vacuum Tube ^Develop~

W!nt ^h_'1')_),"1 U v!'! ""Cqt.I'\~\r fJ

(6)

10. 8M

Title Date

83

Gating Proble.a and Proposed

Tube

6-20-47

84

Transfer of Papers ^bGtll8eD

Su1 J d j ng 32 and t.he Barta

Building

6-21-41

85

Recapitulation of Work Done

De8ign of Cockpit Assellhly 6-30~7

86 Denctopment Schedule tor the

St Grage Tube Group

1-8.-7 81

Se condary Em:isaioD ot Solid

Bodies by R. Kollath

(T'ranslat1on)

7-8-47

a8 Gas-D1scharged Gap3 tor Lata Storage in nectronic Com-

puters ---

89 Mechanical. to Bi.nary Coamr-

trer 1-22-49

90 Seccaelary EKi.s8ion of Pure Metalf1 by R. WCJ.rJleclce (Tr ___

latlon) 7-23~7

91

Terminology 1a jC Coupling 7-2A~7

92

Changes of

Model 1 Cr.yst&l

Tester 7-28-47

93

·m.ack-out^1t Effect

8-5-47 94

Suggestions for FUrthpr Work

8-6-47

95

Report on Wiener's Ideas 8-1l~7

96

Progress Report and Dev~lop

~nt

Schedule of Stcrage Tube

Work

8-15

-47

97 Swmaary of Report.s ani Me.:>··

randa to be Written COTering

Current

am

Past V;)rk

8-19-47 98

^On the Secondary Eai8s1on Fa~

tor

of

ne

ctron-Irradiated In .. ·

anl ... hv H. ~a.lov~ Berl.ir&

(-IranslatiOn) - 6-~-47

Pqe,

Author .~

H. rahnesto~k

U

s. ... Io<kl u

G. H. Gral'f' U

s.

Dodd

P.

Youtz U

H. Florencourl U

R. Markel U

H. Stabler V

If.

l'lorenoourt U H. Fahneswcic U

D. J. Cr&1d'ord U

J.

O.

Ely

U

v. s.

Loud U

w.

^{S. Low!} ^U

P. Youtz

s.

^Dodd

U

Ii. MacDonald U

M. I. fiorencour\ U

(7)

til-52-l

_Page

6

lio, 6M Title • ^Date ^,luthpr m ••

99 Precision Res.istors for Use in

Flip~8

8-26-47

^J.^{o. Ely} ^U

100

M • .LA. SyJIpOsium on Computing Maclri.nes, Yale University

Septeui>er 2"

1947 10i .•

M.

-12M.

8-~7 E. Reich U

101

Hoteli on Viait

to

tioore Sehoo1, University of PaJ'lD8Ylvania OIl

septemer

3

^J

1947 9-9-h7

E. S. Rich ^U 102 Storage Tuhe Program, Project

Whi.r 1 wind

9-15-47

^J.W. FQrre: ster U

103

Gate.Tube Deve1~nt

9-17-47

D. R. Brown

N. H. Tq10r U 1~ Syncbroscope Specifications,

Reque~ for

9-23--47

H. Fahnestock ^U

105

Register Panel Schematic r,hanges

(SD-39282-3, 50-39283, so-

39284 .. 3)

9-25-47 D. Crawford

^U

106

Proposed Program for Inre ...

tigation of Magnetic R~

9-26-47 ^E.

^{Sa Rich} ^tT

d.1:ng

107 Whirl.w:ind I Research and

Cl ean-up Assignment.

9-30-47

H. Fahaest.Jck U

108

An Investigation

into

the re- l1abU1 ty of the Capaci ti ve]"y-

Coupled Flip-Flo~ Bachelor's

Thesis Propasal.

2-21-48

W.

Horton

^U

109

^Gate-Tube

^Rdsearch

10-2-47 D. R. Dr01lD U 110 IH.34 Failures and Deterio-

ration

10-3-47 H.

Fahnestock U

I I I Block Diagram Work lO~-47

R.

Everett U

lie. JQUADAG

10-7-47 T.

F. Clough

u

113

Block Diagram Priori ties for

Whirlind I

10-9-47

H. Fahnestock ^U

J1.L Gh~~£e~ ~ Drawings of Restorer

Pulse Generation

10-8-47

lie lenos1an U

(8)

6D-S~ Pap

7

No.

9! Title

Data

Author _...-.... Cla.

ll5

Standards for Fastelling Sha.f't- MolDl'Md Part.s b, means of In-

w1ute Splines 1~7 E. Prohaska U

ll6

Second

Trip

to Enparium 10 .. 20-47 D. BrOllD U

117

Control Desk, ¥hir1vind I 10 ... 17--h7 J. 1"orrester U

liB

Preliminary Specification for

Tube Type ~-lO30 10-11-41 D. BrOlin U

119 6J.07 Life Test Results and

Revisions 10-21-47 R. L. Best ^U

120

Rectifier

Soldering

Test,

10-25-47 R;a L.

nus

U 121. Pragres8 Report as of October

20,

1941

and Dcvelopmnt Sche-

P.

^Youtz

dule of Storage Tube Group .trom

October 20,

1947

to NoveJlber

15, w.

^Nolan

1947

^10-~O-47 ^{5. Dodd} ^U

122 AC Line Vol tage in Bart.a Bu11-

ding 10..21.--47 H. Fahnestock U

1.23

Additional Registers for

'Wh1ri:-

v.t.nd I

lO-22-47 R. Bverett

U

124 Locaa1.on

of

Target

from

Com-

bined Observation 10-21-47

P.

^Franklin ^U

125 Proposed

Video

Amplifier

for

P-5 Synchroscope

10-28-41

R. Mas8ard U

126

Deflection Cirel'd ...

t.

Demonstra-

tors

_lo-2?~7

J.

O. Ely U

127

Checldng

10-27-47 R.

Iveratt U

128 Supplement to Memorandum M-1l9:

6AG7 Life Test Results 10-28--47 R. L. Best u

129

WhirlW'ind I ~ Shooting,

Co~s on Memorandum M-&23 lO-28.J-l7

J. w.

^Forrester ^U

130 Storage Tube

Program.

Project

Whirlwind Extracts !rom M-I02

Dated September

15, 1947 11-5-47

^.1.

w.

^Forrester ^U

131 Tubes Types for WhirlwiDd I

11-1-41

^D.^R. ^Brmm ^U

(9)

W-52~ PageS

No.

6M Tit.le nate

mthor

els.

l,)2

Vacul1Il Tube

Estimate tor WI ll-7--47

D.R. ^Brawn ^U

133

PtU.~e Transformers, Review of

Dev610pmant

ll-S-47 ^G.G.

^Boberg ^U

134

Jl.phabetical. Information in

Whirlwind Cosputers

.l.l.-1}-47

R. Everett U

1.35

Block Diagrams, Eleotrostatic

Storage

U-1o-47

R. ETerett ^U

136 Accumulation

of

Products

in

the 'Whirlwind I Computer ll-10-41 R. EYerett

^U 137 Computer Codes

tor

WhirlwindI

ll-J.-h7 R. Everett

^U

138

Flip-1'l.Qp L1£a Test Rack Run

No. 2

ll-J.0-47 J. O'Brien U

139

Au:t4>ma tie 9prinkler and Fire

Alan. System-Barta Building

ll-10-47 w.

^{C. 80hn} ^U

140

Inwt)duction to

Vol. 4 ••. •

^:E-2ll-1~7 not issued

lL1

Introduction to Vol.

7 ••

o.SEi-2

(BlocK Diagrams) • •

lJi2

Introduction

to Vol.

8 •. o.SR-2

(Mathematics) • •

143 Introduction to Vol. 9 ••

^~.SR-2

(Storage Tubes. Part I) ^II

Introduction to

Vol. lO ••• SR-2

(Storage Tubes, Part. n)

.. _"

145 Introduction

to

Val. 1l.o.SR-2 " •

(Inp$ & Output Part I)

lL6 Introduction to Volo 12 ••• SR-2 • •

(Input

&

Output

?art

II)

147 Introduction

to

Vol.

13 ••• ffi-2 ^II

..

(~ystem Drawings)

l.4R

Inyaoduet...:i.on to VoJ

1.4 ....

~-2

(Aircraft Siml·1ation)

149

~troduct'i.on to

Vol. 15 .... Si-2 • •

~ lirys La1~ l' rip-l' .!.op Circui i.~ ~ jC

Coup.

(10)

6D-52.t-J.

_Page₉

1⁰⁰ &!

Title

Date

Author

c:Ls.

• -

~

Introduction to

Vo~.16

••• SR-2

(Vacuam Tubos) ll-lO-47

not issued

151 Introduction to Vol.11 ••• SR-2

(High-speed Switches) •

ⁿ

152 Introduction

to

Vol.18 ••• SR-2

(Pulse

~rftnstormer8)

• •

153 Introduction

to

Vol.19 ••• SR-2

(Test Equipment & Misc. Cir-

cuits) • •

154 Introduction to Vol.

00 of

22 (Iconoscope Stud:i.es) • •

155 Introduct.ion to Vol. 21 •• &t-2

(Pulsed Lights,

p~

t I) • •

]56 Introdll~tion

to Vol. 22 •• $-2

(Pulsed Ligh18, Part II)

• •

151 Output Typewriter -

Printer

Unit for Whirlwind I

11-3-47 R. Everet,t

U

158

Block

Diagram, Input and

Out-

put

1l-10-47 R. Everett

U

159

^Storage^TubeS'WllmB.lj'"

1.1-10-47

S. Dodd U W., No~an

P.

Yout~

160 Mathematical Work

of PrOj6~

Whirlwind ll-12-.47

p. Franklin _U

161

Checking by Obeck Problems _11-13~7

R. Everett

U

162 Design and TesUllg of and Ele

ctrostaiUe Storage Tube

(Masters Thesis Pre,. al) _1l~7-.47 W. Holan U

163

A Capaci ti vel,y-COupled Flip-

Flop 11-28·-47

A. Horton U

ltU Progress Report as or RoveDi>er

17, J.9h 7 and nAVAl 0pment Sci"..e-

du.1e of Storage Tube Group

P. ^Youtz

fro.

November 17

to

November w. ^Nolan

20, 1947 11-1.7.J!7

s. ^Dodd

^U

(11)

Title Date J.6S

Introduction to Vol.1 •• 3i-2

(The Whirlwind Progra PartI ) 1l-1O-h1 not issued 166 Introduction

to

Vo1.2 •• SR-2 ^I

1:61

168 169 170

171.

172 173 174

175 116

177 118

1.79

(The Whirlvind Progr8ll PartII) 11-10-47 not issude Electrolyt,ical.l.y Produced OX-

ide Protecti va L~ers an

llu-

minum 11-20-.47 K. Y101'encourt

Hew Invest1gatiOllB OD. the Ela.-

trolytic Valva Ef'f'ect ll-26-47 H. Florencourt Rev Investigations on th~ Elec-

~ Valve Effect 11-26~7

X.

P'lorencourt Index to Project Whirlwind

Publications

The S1emens~uakert VacuUll Evaporation Me'thDds Applied to

Large First Surface Mirrors

11-28-47

H. Florencourt The Motion of the Ionic Lattices

of Dielectrics in Extreme &lec ..

tric Field Intensi tieD 12-1-47 K. norancourt Standard Test Euqipment 12-4-47 J. V. Forrester On the Dielectric Constant of

and OXide, liydro:d.de and O:Q"-

hydrate 12-4-47 M. norencourt

Hydrallic Serv~chanism for

Cockpit Tilting 12-5-47 M. Floren::ourl Methods of

Numerical

Iotegration

of Ordinary Ditf'arantial Equa- tions most BU.i table for use by

WhirlwiJld I and Whirltind II 12-9-47 M. Danllotf COmlll3nts on E-78 12-9-47 J. O. El.y Fjre Insurance Inspection of

the Barta Building ~ce1llber5 ..

1947

12-5·h.7

li. R. Boyd

Heetinci at Eastman Kodak's

q~~_~f' ",--.-. ^{TYl _ .} ,,"' .... ,,_)...,.. ... I.

- - - . ' - " , -

---,

----_. ^"

1947

12-11-47 D. R. BrOlIn

pagel.U

els.

-

u u u

u

u u

u

(12)

(;&.52-1 Page

II

10.6M Title Author

Date

C1s_5l

110 Ca.ments on E-78 12-ll-47

J. O'Brien U

l.Bl. Comments ^ReqU98ved~

£-78

and

M-~73 ~ Proposed Standard Test

Equipment 12-12-.41 H. Kenosian U

182

Changes in Restorer Pul.se Geqe.

rator

12-'1.8-47

H. Kenosian U

18)

Conterencea-irai'ting, Aircon- di tioning and

Whirlwind

I Arr-

angema.· .. l't

12-12-47

^J.W. Forrester 1J 184 ^De'J1gn

a.,a

Testing of and Klec-

trostatic Storage Tube 11 ..

7--41

^{W. Nolan} ^U

185

Bi -Weeldy heport

7

^{Part I}

Dec~r

15, 194 12-15-47

J. W. Forrester U

~86 Bi-Weeldy Report., Pa-t II

December

15, 1947 12-15-47

^{J. W.} ^Forrester ^U

187

P\Ir('.haBing and Receiving on

Account.

6447 12-15-47

J. Proctor U

188

Meeting Held by Electronics Group

December 10,

1947 12-16-47 H.

Taylor U

189

COlJlll9nts

on E-78 l2-1t)-47 D.

BrolllO U

190

Lile Test of Storage Surfaces Suitable for Electrostatic

st.or&.ge Tubes

ll-lh-47

^H.^Heydt ^U

191 Comments on E-78 12-18-47

W. Nolan U

192

FUp-F'lop Life Te st Rack-Run

Noo

3 12-18-47

J. O'Brien U

193 Comments on E-78

and

M-173

nProposed Standard Te~t

Eq uiproon t"

12-18.-47

N. Taylor U

194

Meeting of Electronics Group,

~ecember 171

1947

12-18~7 J. O'Brien ^U

195

Desigr. and Testing of an Elec-

trostatic Storage

_12-26~7

W.

Nolan U

196

Paint Schedule, Barta Building 12-22~7

H. Tonsing

U

(13)

No.

6M

197

198 199

200

201

202

203

204 205 206

2.07

208

209

210

Ti"lli

Date

Aut~

Space and Power

tor

WI D.eo-

trostatic Storage 12

-26-k7

J. O. Ely Input- Output Register Panel

SIB ce 12-29-47 D. BrO\ll

Cabinets for Whirlwind! 12-29-47 D. BrOMn Circuits for Marginal Chec-

king 12-31-41

J.

W.

Forrester

Whirlwind 1 Insts.llation

Conference

12-31-47 H.

Fahnestock

Bi-Weekly Report" Per t I,

December

26, 1947 1-2--48

J. W. Forrester Bt-Weekly Report, Part II, .

December

26,

1947 1-2-48 J.

w.

^FdLrester

De coupling

1-5-48

H. Fahnestock

Meeting of Electronics Group

December 31~

19h7

1-6--48 ^J^e O'Brien Numerical Solution of Systems

of Sinrul taneous Li.J1ear Alge- braic Equations by Elimination

Methods

1-8-48 E.

Reich

Meeting of Electronics Group,

J a1 uary

-7, 1948 ... 1-9-48 H.

Kenos~.CIl An Investigation into the

Re-

liability of the Capac! ti vely- Coupled Plip-Flop,Bachelor's

Thesis Propooal.. 2-21-48 W.. Horton Bi-Weekly Report, Part I

January 9 ^j

1948 1-12-48

J. W. Forre&. er Bl.-Weekly Report, Part II

Page 12 Cls.

u u

u

u u

u

u u u

u

u u

January

9, 1948 1-12-48

J.

W.

Forrester

u 2ll

Request for Acti vi ties Report 1-12--48 H. Morley

212 Life TeGt of Storage Surfaces Suitable for Electrostatic

u

(14)

6D-52-1 Page 13

Noo

6M

^Title

Date

Author CIs.

213 Project Whirlwind Seminar SChedule January 12 to

February

18,1948 l-U-48

R. Everett u

214

Meeting of Electronic Group~

Jal. uary 16, 1948

1-19-48

J. O'Brien U

215 Air Conditioning for

WWI

12-12-4'/ J. Forrester U 216 Electrostatic Forces and

Def1 ectioll of Storage Me~hes 1-21-48

P.

ITanklin U 217 Description of

WWl

Codes 1-22-48

c.

^{W. Adams} U

2lB

Production Quantities of

Whir 1 wind I Uni t.B 1-23~8 H. F dhne stock U

219 Whirlwind I Drawing Pro-

cedure~ Note to Sylvania

1-23-48

H. F ahne strIck U 220 Bi· ... Weekly Report., Part I

January 23j 1948

1-27-48

^J^e V. Forrester U

221 Bi=Weekly Report9 Part II

January _{23~ ~948}

1-27-48

^J.W. Forrester U 222 Do Co Voltages Required for

;''WI

1-29-48 c.

Watt U

223

A1:r Condi tiong for WI

1-29-48

J. Proctor

u 22.4

1

*thod

^o!.' Du-ect Measure-

ment of Secondary Electrun

Emission at Insula tors

1-29-48

Mo Ylorencourt U 225 Theory of Secondary Elect.ron

Em1ss~on from Metals by

HEn'bert FrCJhlich

2-2-48

M. Florencourt U

226 Floor Loading for WI Compu~

Room 2-2~8

R.

^HUBt ^U

227 TlacuUJQ Tube Life Data

)-)-48

J .. O'Brien U

'~28 Whirlwind I Preliminary Time

Schedules _3~3-.48 H. Fahnestock U

229 Meetings of 'Eiectronic5 (troup

January 26 anJ 28. 1948

1-30-48

J. O'Brien U

(15)

6D-S2-1 ''''~

10.

6M Title

Date Author O1a.

230

^{Hotes on}^~UADAO

2-4-48

^P.^Ca8wll

-

V

t.

^Clough

231 last.an Conferences

of

Dec_-

ber

23,

~94

7

md J anu&rJ" 20

and 21.

1948

2~-48 11.

BoJd ^U

232 Measurement ot 7 AE7 ^Charac-

teristicA at Baporiua, Pebru-

al7 2, and 3~

1946

2~-48 D. B. BreAm

,

233 Meeting

^to

Discuss Storage

rube

Output Syatns, February'

$, 1946

2-6~8

c.

C8JII)l1ng

V

234

Via1t of Mr. R. L. Sny-,ler

2-9-48 J. W. Forrester

U

235'

Vacuum. Tube Life Tests

2-9-48

^J.

W. Forrester U 2)6

Flip-Flop Storage Arrangement H. Fahnestock U

237

Bi..weekly Report ~ Part I

.Pebruar,- 6~ 1948 J".

v. 'orres. er

U

238

Bi-Veeldy Report, Part U

February 6~

1948 2-9--48 ^'.1. V. Porrester

U 239 Order of Combination

ot

Arith-

metical. ~..rat1onB

tar

M.inimum

.Round-Q:ef Error 2-13-1&6 E. Reich

,II'

240 A New Order tor linding Charaor

terist.ics 2 .. 13-48

P. Franklin

•

Comments on

Proer-

^Register

Demonstration Panel 2-17-48 a. 'abneotoek

^.

~",'

242

^'1'v^jn

^Triodes 2-17-48

H. Falmestoek

• ZIa3

^Proposal

^tor

J)efiect1on Circuit

DevelOpmeJlt. 2~7-48 J. O.

Elf •

... ^Project

Wbir1v1nd Seminar

Sche-

dule February" 16

to

^Marcb~o ^J

19148 2-18-48 R. Everett. ,

.u

Hi -Weekly Report, Par

t

I,

r8bru~ 20₈

1948 J. V. Forrester

U

(16)

Noo 6M

Title

Date

Author

~---

---

246 i!48 2.49

250

253 254 255

259 260

Z61

262

?b3

Bi·-Weekly Report" Part II, Februar,y 20~

194v

A Capacitibcly-Couplt::tu

J.. Wo Forrester

Flip·-Flop 12-19--41 A. Horton

Design and Testing 12-19--47 J. Nolan Meei:ing of ElectI-onics Group,

February ~3/1 ~948 2-25-48 J. O'Brien Notes on Visit to Fort.

Bliss,

Texas. Whl.. te Sm ds Proving Grounds j New Menco, and Hol- loman Air Force Base~ New

Mexico February 17 to

21,1948 3-1-48

E. S. Rich Standards Corami t tee Meeting

on Power Connectors far WWI 3~2-48 He Fahnestock Proposal for Investigation os

Storage Tube Output.=C:Lrcuits

3 ..

3~8 C. Campling Vacuwn Tubes:. Raytheon

3-2-48

J. W. Forreft, er Neon Indicators and Sockets

3-4-48

H.F&~estock Engraving of Whirlwind I

Panels

3-4-48

H. Fahnestock

form of Change Notl.C.,s

3-4-48

H. Fahnestock B-Eiegist.er L;-\yout~ Sylvania

Drawing No.,w6omDO-2

.3-448

H. Fahnestock

7AK7

C0P.!~ruct~on

3-5-48 H.

~ahnestock Lock ... ln Tube Sockets

3-4-48

J ⁰ W .. Forrester

CommuruCaL ions

aetween

the

Servolll!tchani sms Labor a t,ory and 3-4~8 Syl varna

WI Flip···Flop Storage Layoli t

Au throization 3-,5~8

Pews}' Supplies and Dist.ribu-

t ion, Conference 3-4~8

WWI Specili:ation Dl.st.ribut.jon 1_~-I!R

H. Fahnestock

H. Fahnestock,

J.

w.

Forrester

Page

15

C1s.

u

u u u

u u

u u u u u u

u

u u

u

(17)

Ho^o 6M Title Date Author

i

264

Eastmal Conference~ March 2.~

1948 3-5.-.48

Ho R.

BoJd

266

267

268 269

270

271

272

273

214

275

276

277

278 279 280 2B1

Visit to Sylvania on Febru~

24,

1948 2",,25-48 Co

Watt

Accumulator

Prototype

ConBtru~-

tion Authorization

3-5-48

Bi·..weekly Report., Part I March 51 1948

Bi··Weekly Report".11 Part 1.1 March

5.,"

1948

Design

Data

Need9d

by

Sylvania

). .. 5-48

3-5-38

to Con~lete Rack Design 3-9~8 Thesis Proposal. and Progress

Ho Fahnestock

J. We» Forrester

J ⁰ We Forreeter

Co Wett

Reports 3-8...48 J ⁰ W. Forrester

High Speed Pulse Recording on

Magne tic T~ .3-13~8 E.

S.

Rich

Use of Termination Notices at

the Barta Building

3-9-48

Ho Ro Boyd Creep Test nf ')" Anodized

storage Surface

3-10-48

R. Shaw Cry-stal-Rec tlfier RequJremen ts 3~,10-48 Do ^BrOWl!

Keeting of Electronics Groupp

Feb~u.1.!"Y 20 ~.:id 2t~

1)148 3-10-48

Tube Constr~ct1on and Test

Program of the Storage Tube

Group

3-15-48

Layout. of Pro_b"!" all Counter 3-10--48 Proposal .. Mul t.iplier Cabling 3-·10.-,48 Layoutof Program Register 3-10-48

Bus DriVt;;.l' Panels )-10-48

LnY(Jut (If Check Register

3-11....48

No Taylor

w.

^Nolan

So Dodd PQ •

Ioutz

H. Fah!lestock H. Fahnestock

H. Fahnestock.

H. Fame Rtock H. Fahnestock H. Kenosian

Page 16

C1s • u u u u

u

u u u u u

U

u

u u u u

u

(18)

Page 17

Noo 6M TItle Date Author Clso

283 B-aagiBter Protot.ype Dravmg

Authorization .J·ll~8 H. Far.nestoclc U

2B4

Powel:" Fusing J..~12.q8 C. Watt U

285 Po~r Supply Proposal No. 1 3-12--48 Ho Boyd U 286 Handling of Syl vaffi.a Drawings 3-15-..48 Co Watt U 287

288 289

290

291

292

2~3

294

295

296 297

298

299

300

301

ProJect Whirl wind Seminar March

10 to April

14 3-16-48

R. Everett Crystal Teater Const,r-llction 3.J.S~8 H. Fahnestock A Storage.-.Tube OutP'.lt System J·20~8 Co Cup:L1ng Holding-Gun Research Tubes

3,·15-48

M. Florencourt MO'tifica-tion of Program COtm-

t~r J,,16-u8 Ho Fahnestock

Requi.rements for Vol tage

Variation Panels 3...,16-48

c.

Watt Meet·ing of Elect.ronlcR GroUP9

March

59

19G8 Desing Problems

of Ari thmetics Element... Con.t,T"ol 3-1.6<~8 C .. Co Sumner Proposed Panel-5electioq Cir-

cuit 3-16~8

Investigatl.on of 7 AK7 Pro·

cessing, Emporium Pcnnsylv~nia

March 2~ 19L8 3~l6-48

Arl thmetic Control, Design anq

EoS. Rich To ClOl\gh Do Brc ... n P. Youtz

Construction 3-17·

48

Ho Fahnestock

Desif{Ilation of Vid.eo Jacks en

Cir~uit.s Sohematics

3-17-48

Co Watt

Pul,:~'? 1'ransf0rmel" Delivery

3-17-48

Ho Fahnestock Whirlwind I ~~ater Grounds

3-17-48

Ho

Fahnestock

Flip-FlclIJ Stur ag~ Tube Program 3 ... 17 -48 Ho Fahnestock Apprcroal ,if Components f()r WI J-18-4~ C. Watt

",UUUV.J...I.'y '.JJ.. ..L,.uJjU ... .al ... iJn CLU::Uu.1el ke-

quired [or WI InstaU.ation 3 ... 18-48 Co Watt

u

u u u u

u

u u u u

u

(19)

No"

6M 303

304

305

306

307

308 309

310

3D.

31,

313

311 31S 316

317

Date Photographs ,)f Storaef~ TuLe

Pr-, ~ am .3-·18·~8

Whirlwlnd .1 Standards· Con>

struc t..ion of T"s t Equipment J~,19 ~b A Troublp. ,Locat.ion Scheme. for

A Dj.gi ta]o Electronic Computer

5 ....

1,·--48 Overloading Gf Nec,n Indl~.:ltor

Lamps ill Bas1.c Cirelll t IND·1 3-22-48 Syl vania Prln^t :3 tot·; L, T" 3-19--48 History ('If SecondarJ Enuss](.n

3··220048

Bi-Weekly Report, Fal - I Mar'sh .: 9 1;)48

Bl...weekly Repo.r· Par· II Ma:-c h 1 Q 1.94 d

Propos~J Elev:3.^t·.I1V Tef-t Truck

f 0r WWT 3· 23<~8 COTTe:-tl '":n~ anel CtiL'1ge.s on :1aS1C

e l r ~ 1 t 5 BA~,:. :-1.nd C}G- i

3-23-4e

A ReGl~ I.p! Pr'o't.~yp~ Dr aW':Lr~

Approval

High-3}Y>od P1LLSf~ Rer.ord1J1g on

, , \ t " \ , n

.) " L t:.."'4U

Magnet-i.e Tape j,·31·,48

.316 Inves~/l;"!;Jt l\'~ ,! EJe. t :-1)'1l'~

Compl! t '-'" G·.). ⁺ru -<: :1.1' Old ~,.:;

319 Arlt.hl1l£>,i lC C:or;t·.·.~\j and A.C,·.() Pre1.imin"ry N·l" : roE' of Wc,rk Load

320 Pu.l...;t:' Tr,·.tri~:'irra·_\r!e~'· Urat·

,'

..

J ··24-48 j-24...J~8

~.

J-2S

^-41.l.

Page 10 A.uthor

CIs"

M. Florencourt

u

Ho Fahnestock

u

Etl Blumeathal

u

A" Fal eione

u

H. J~o Heydt

u

H" Falmestock

u

J. We Forrester

u

J.

W.

Forrester

u

H. S. Lee

R. E. Hunt u

J" A" 0" Brien

u

n.,

Fahnestock

u

H" Falmestock

u

E" S8 Rich

u

If'. A .. Foss

u

Ho Falme~tock U

Ro Everett U

J.

^{0' Brien} U

(20)

6D-52-1

^{Page 19}

No. 6M Title Date AIrthor C1.s.

322 Additional Voltage Require'-

ment.

ror

WI

3-26-48

C. Watt U

323

Purchase Approvals J-29~8

H.

Boyd

u

324

Fi18lOOnt Transformers WI 3-26-48 W.S. Rogers U

325

Underwriters Approval

3-26-48 W.S.

Rogers

U

326

327 )28 329

330

331 332 333 334

335

337

338

339

WI Rack Door Material

3-31.48

R. E. Hunt Arithmetic Control Time

Sched1ll.es

3-31-48

H. Fahnestock

Double Length Operations

in

WI 3-31-48

C. W. Adams

Modi!ic~tion of Basic Circuit

INn.l

4-2-48

J. M. Hunt

WWI Controlt Time Schedules 4-1~8 H. Fhanestock Hi -Weekly Report, Part I

April 2,

1948

Ei-Weekly Report, Part II April 2,

1948

Investigation of Electronic

J. W. Forrester

Computer Output Circuits

4-7-48

F. A. Foss Wedge Sleeve C:amp for ENC

C~r~ctors

4-5-48 R.

Hunt

~ Trouble- Location Scheme for a Digital Elel~tronic Cornput.Ar

R

#3 5-1-48

E. Blumenthal

A Trouble-Loca tion Scheme for a Digital Ele ctronic Computer

R

1/2 4-1-48

G. Hoberg

A

Storage-Tube Outpu\-System

Report

12 5-20-48 c.

Campling

Flip-Flop Storage Outp~t Pro-

totJ~e Drawing Authorization

5-5-48

H. Fahne st.ock WW1 Rack Door Material

5-5-48

^J.^Forrester

u u u

u

u u u u

u

u u u

II

(21)

Page 20

No.

6M

Title Date

Author ela.

---

340

^~egister

Prototype Drawing

Approval

5-6-48

343

345 346 347 348

349

350

351 352 353 354

Trip

to

Power Eq~ipment Com- pany, Detroit,

M:i:chigan,

on

March

29, 1948 5-6-48

Standards

Conaittee

4.)roval

of Mechanical Parts

Designed

H. hbDestock

H. R. Boyd

by 5yl vania

4-7-48

C. Watt

17S

Dural Channel

4-7-48' c.

Watt

Machining of NiCkel

4-1~8

R. sna.

Binary to B~"1ary-l)ecimal.

Conversion

4-8-48 c. w.

^Adams

Power Supply Proposal. No. 2 4-8~8 H. Boyd

Receptionist and

Guard Dut.ies 12

-7 --48 J.

C. Proetor

Conversion of Binary Pulse Code

to Voltage Amplitude M.T. Pro-

posal 4~8

An

Investigation into

the

RelLa-

bility of the CapacitivaLY- Cou- pled Flip-Flop

An

Investigation into the Relia.

bility

of the Capacitively-COu- pled Flip-Flop

Meetings of

the E'.ectronics

GroUPt March

26

and April 2,

1948 4-tl-48

Whirlwind I Control Desk, Proposal No. 1

E. Sard

w.

^Horton

w. ^Horlon

J. O'Brien

J. W. Forrester

...

Signal- Plate Assembly for

ST25 4..:1..3-48 R.

Shaw

Control Drawings

WI Panels,Provision for

Spare Tunes

4..].~B H. F~

4-13-48

i~. rahnes tock

356

Whirlwind J PAnpl W-i.,.inL1

U1agrams 4-1)~8 H. Fahnestock

u

u u

u u u u

u

(22)

00-52-1

^Pta.ge ^21.

)lo ... 6M ~, Title

Date ...

_... Author Cl8~

357 Investigation of Electronic

Computer Output Circui te

5-20-48 r. A. rOS8

^U

358

Tims Pulse D1stributor- Coun- ter Panell Circuit ,Schematic

Cor:t"ections 4-14--46 ^He

Fahnestock U

359

^Bus

^Dr!

ver Pho'totype Dr awing

a-. ,allii.ct.ock

Authorization 4-14~8 U

)60 Dr afting Req uirell8nts

4-15-48

A. pacioml U

361

VaCUUlIl-Tube Life Te st. s

Proposal

4-15-48 ^J.

^O'Brien ^U

362

Grounding System for WWI

4-14-48 c.

Watt U

363

Bi· .. Weekly Report, Part I

April 16, 1948 J. W. Forrester U

364

Bi-Weekly Retort, Part II

April

16, 19 8 J. W.

P'arre*er U

.365

Accumulator, Zero Digit 4-l.6-t;8 ^~.Fahneetoak U

.366

^L~out^ofPanels to Permit Proper Cooling of Tubes and

Components

4-20-48 c.

^Watt ^U

367 ^A. Storage-Tube Outp~;, System

,-20-48

C. CampliDg U

368

Control Pulse Output Prototype

A.ut~r1u.tion

5-21-48

H. Fahnestock U

369

Program Register Prototype

Drawing Authorization 4-21.-48 H. FRhnestock U

310

Electronics Devices wi th a High Emission of Seccndary

Electrons

4-2l-48 M. DaniJair

U

371

Flip-Flop Register Prototype

Draw:1ng Approval

4-22-48

D. L. Stevens U

372

Time Pulse Di~tribu~- Output

Pnael Layout Authorization

4-23-48

H. Fahnestock U

373

Meeting of the ElectronicR

Group, April 16,

1948 4-23-40

^{E. Rich} ^U

314

Test Procedures for r.wI Tubes

4-23-48

ll. Taylor d

(23)

Page 22 _N_oe_6_M Title Date __ A_.,ll_th_or _ _ _ _ _ Cla.

375

Construction of , Second Tube

Tester 4-26~8 D. Brown

376

Back Ground ~

4-27 -48

^H.^S.^Lee

371

Project Whirlwind Semipar

Schedul.e ~i.1

26

to ~

26 4-27.-48

R. Everett

378

^TemporarySylvania NUIlbers

for WI

4-28-48

A. Falcione

319

Voltage Regulation Proposal

4-21.-48 c.

R. Weiser

u u

u u u

380 WI Dynamic 1nal.y81s of D. C.

Load

4-26-48

R. Mayer U

381. Time Pulse Distributor, Counter

Panel La;yo'!.lt Authorizati on

4-28-48

H. Fahnestock U

382

Accumulator Schedule

4-28-48

H. Falmestock U

383

Video Layouts and Mechanical

Drawings for Accumulator

4-28-48

C. Watt U

384

Discussion of Proposed Flip-

Flop Regisi;er

4-28-48

'H. Kenosian U

,385 Variable-Frequttucy Clock-Pulse

Generator, ~e1\2

4-26-48

H. Keuosian U

386 6345 Personnel

387

WWI Video Cabling

4-29-48 H.

Fahnestock

388

Time Pulse Distributor, Counter

PallSl} Deaign Changes

4-30-48

H. Falme stock 389

390

Bi-wee~'

Report,

Part I _J April 30,

1948

Bi~eekly

Report, Part II,

April 3D, 1945

391 PaintinG

0:

^Panelsfor WI 392 Slgnal Plate Assembly for ST-26

J.

w.

F'vi~ester

J. W.

Forrester 4-30-48 c.

^Watt

(Second

5"

Storage Tube)

h-JO-38

R. Shaw 393 Si[~n.:U Plate Assembly for St-27

(Third

S"

Storage Tube)

5-30-48

R. Shaw

U

u

(24)

6D-52-1

Page 23

No.6M

Title

Date

Author ~

393

Slgn~

Plate Assembly

for

ST-27

(Third

5"

Storage Tube)

5-30-48 R.

Shaw

u 394

Conference with Eastman at M.I.T.,

D.

Brown U

April 21 and 22,

1948 5-3-48 ^H.

^Boyd

395

Di3tillation in Vacuo from a

Right Cylindrical Toroid

6-9-48

M. Danilorf U

396

Pre) jmjnary Accumulator Test

Specif"ications

5-5-.48

N. Taylor U

397

Ohmmeter Schedule tor Checking

WI Accumulator Panels 5-12-46 H. Z.i.e gler U 398 Cathode-Follover Probe _5-5~8 D. R. Brown U 399 Master Clock Drawings

5-5-48

H. Fa.l'Jnd s took

u 400

^ProgramCounter-Modification

of Layout

5-5-48

H. Fahnestock U

401 Check Register Checking

5-5-48 R.

P. Kayer U

402

Panel-5election Gircui ^t Pro-

posal, No.2 5~8

E. 5.

Rich U

403 Five-Digit Multiplier Cables

5-6-48

H. Fahnestock U

404

Relays for Voltage Variation

Panels

5-7-48 c.

Watt U

405

Coupling Circuits for ~ Storage

Tube Output System Report

No.4 5-20-48

C. CSllpling U

406

Crt)ss Index of New England Trans- former Company Numbers to M.I.T.

57, 193

Specification NumherB.

and Factory Test Specifica-

tions

S...J..l-48

H. I. IIorlq U

407

Power Supplies for

Sy1valia

Test~_ng

5-11-48

R. L. Massaro U

408

Check Register,

Layout

Changes 5-12-48 H. Fahnestock U

409

Time Pulse Distributor, Output

Panel Video Layout Approval

5-12-48

H. Fahnestock U

1,:t0 M(,t:t ::'r'.t; ~f ~ he EltH.~ ~-VI~C uroup,

April 23

and May

7, 1948 5-12-48 s.

Dock! U

(25)

No.~1 Title

Date Author

~

4ll

Control Pulse Delays

5-12-48

J. A. O' Brien U

412

Multi~lier Failure (Report

No. 1 5-13-48 N.

Daggett

U

413

Check Register Checking 5-11-48~. P. Mayer U

414

Tube Socket Contapt Material

5-13--46

C. Watt U

415

Register

Drivers

and Video

Cabling

5-14-48

H. Fahnestock U

416

Bl~ee~ Report, Part I Mq

14, 1948

417

Bi..weekly Report, Pa-t II May

U, 1948

4:1.8 Evaporation Tube ET-35

419

Flip-Flop Storage Output

J. W. Forrest. er

u

J. W. Forrester

u

5-14-48

R. Shaw

u

Prototype Dt'awing Approval

5-17-48

H. FahnefLiOck U

1,20 Swit~hes

5-17-48

R. E. nlUll, U

42l

R. F., Choke Specificat.ions

5-17-48 c.

^Wat,t ^U

422 Power Supply Proposal No.3 6-1-48 H. R. Boyd. U 423 Switching TiJoo in Program

Counter

5-18-43

R. Everett U

424

Toggle Sw:i tch Storage ⁱ Svi te:h

Location

5-19-L8

H. Fahnestock U

425

^OperationMatrix s6oOMOO.

Z60<Jrloo-l. 5-1.9-48 H. Fahnestock U

426

Register Drivers

5-19-48

R. Everett U

427 7

AX7 Pin Contact

5-19-.48

D. Bnnm U

4z€

Fuse

inm

cation Panel Pro- totype Construction Autho-

rization

5-2()....48

C. Vat t U

429

Control SWltch Drawing

T6Qcs00-4 Approval

5 .. 2e-48

H. Fahnestock U

4)0

Coaxial Cr.hle Production In-

spection

5-20-48

H. Fahnestock U

(26)

6D-52-1

,.,.25

Ho.6M Title Date Author -

Cl.a.

431

Time Pulse Distri,bu1;or Counter

Panel Connections 5-20-48

H. Fahnestock ^U

432

Time Pulse Distributor Counter

Power Con~ectians

5-20-48

H. FahDed:. ock ^U 433 Program Counter Revised Cir~t

Schematic

5-20--48

^{H. F}ahlaestock

u

434

Storage Holding Stability

Tests5-21-hB

J. . . Forrester U

435

Temperature Effects on Cathode

Resistance of Aged 6AG7 Tubes 5-24-48

^J.^O'Brien ^U

436

^Test^EquipmentCalibration H. R. Boyd

u

437

Filanent CormectioLlS tor

3B29

I

85-24-48

H. Fahnestock U

438

Request for Infannation about Powr Feed

to

^theControl

ne-

menta

5-24-48 c.

wat,t U

439

Register Design Changes

5-25-48

H. Fahnestock U

4ho Coder 5-25-48

^11. ^Kenosian ^U

W&l

Program Register, Possible

Omission of

5-25-48 R. Everett

U

442

Register Driver Type 1, Layout

5-26--48

H. Fahnestock U

443

^TwinTti.ode Change :ill WI

5-26--48

H. Fznestoc..Jc ^U

44ll

Continuous Self -Sus tained Oscillations Occurring in a

Kultivibrator of the Abraham- E.

m.

UJIellthal

Bloch

'l'ype

5-14-48

M. Danilo!! U

445

Electrolytic Tank

5-27-48

A.. Curtiss U

446

^An Investigation into the Re- liability of the C4> acitive1y-

Coupled Flip-Flop

6-24-48

W. Horton ^U

447

^Bi~eeklyReport,Part I

May 28, 1948 J. W. Forrestor U

U8

Bi..weekly Report! Part II

l\~ ~Q, .1.~40 ..I • • • .ton-ester U

(27)

60-52-1

^Page

116

Tiue ^__^D_a_te^_____Au_t.bDr______

eta.

~49

An InvestIgation into the Relia- bility

of the Capacitively~ou-

pled nip-Flop W. Horton

450

^Power ^aDd Indicator Connections

to Panele 5-28-48 C.

Watt

451

Evap«sticm Tubes ETJ6 and

E~ 39

5-28-48

le62 Theory ^01" the Action of an Extarnal. Ele ctromotive Force upon a Trigger Circuit (Elec-

tronic Relay)

6-2-48

453

Selection of a Test Equipment

Truck for WI

6-3-48

454

7AD7 Substitution for 6A.G1 in

WWl

6-3-48

455 Restorer Pulse Generator ,

Layout, Correotion 6-4~8

456

Accumulator Proto'type

6-4-48 457

Addi tion to Check Register

6-4-48

458

Pul sa Mixer

6-8-48

459

Indica tor and Vol tage Variation

Panel Details 6-8-48

460

Time Schedules

6-8...J..B 461

Video Sabling Method Approval ~-48

R. Shay

E.

m. umen

thal.

M. Danilof:f

R. Hunt

H. Fahnestock

H. Falmestock H. FEbDestoclr H. Fahnestock

c.

Rowland

c.

^{W. Watt}

H. Fa!mestock

c.

W .. Watt

u

u u

u

u u u u

u u u

u 462

Spare Tubes, Provision for

6-9-48

H. F~stock U 46) Control Pulse Output Unit

Production Drawing Approval

6-9-48

H. Fib nes'tock U

464

The ~Hard" Regime of Self- Excited Relaxation Oscilla- tions of a

Generatcr

(or a Multjvibrator of the Abr3.ham-

Bloch Type) 6-10-48 K.. Blument.h~ U

~

465

Proposal for Rest orer-Pulse

Distribution 7-7~8 G~ H~herg U

(28)

6n-52-1

Page 27

No.6M Title

4

_D_a_UJ ___ .::I4!_~.-;;..;;o;;.;..r _ _ _ _ _ _ ~

466

Rack Drawing

Apprpva 6-9-48 c. ^Watt

467 Time Pulse Di.st.rib . . . , Counter

Panel, L~ AJlpttrvdl

6-9-48

H. Pahnestock 468 A.,.Register /Program Register

ProdUCtion Release 6.10-48 H. FmDe Et oclc 469

Evaporation

Tube

ET 45

470

Bi~ee~

Report, Part I

June 11,

1946

6-11,-48

R. Shaw

471

Bi~eekly

Report, Part II

June il,

1948

Fil..amevt Tr&!Sformera, WI

6-JJ.-48

Proposal. for Monitorj:ag

6-11-48

Study of the Occurrence of

"Jumps" in Non-Linear Systems

6-14-48

475

^Bus Driver Prot.otype Drawing

Approval

6-14-48

J. W. Forrester

J. W. ForreS;,

er

H. Lee

E. BlUJDenthal H. Den ilott'

H. Fahnestock

u u

u

u u

u u u

u u 476

Frequency Divider Video Layout

6-14-48

H. Fahnestock U

477

Proro~~d Register Panel

6-11-48

H. Kenosian U 478 Circlli t Schematic COl11f>onent

sPrial Nwnbers 6-15-48

A.. M.

Falcione U

479 Production Drawings forWI

Units Construction at M.I.T.

6-28-48 1.

M.

Falcione

U

480

^Restore~

Pulse GeneratorSI

Revision 6-16-46 H. Fahnestock U

481

^ST

32A 6-l.6-b8

^P.

Youta

U

482

Thermal

Expansion of Al

and

Al20

3 ^Layer ^6-16-L8 H. nemperer

u

483 6345 Personnel List

4e4 Voltage Variation Pcnels

6-16~8

C. Watt U

485

lnput-Dutput and Comparisnn

6-16~8

E. Rich u

(29)

W-S2-l

^Page ²⁸

No.6M

- -

TiUe Date Author ~

486

Program Register and A-Register

Similarity

6-16-48

E. Rich U

487

T-.ggle-swit.ch Storage: Switch

Loeat.ion

6-1.6-h8 E.R1ch u

488

Life Tests on Beryllium storage

SurfaC9

6·l7-48

^H.Heydt U

489 SeCOl'ldary End.ss1on Measurements

on Ber,rllium Storage Surfac~

6-17-48

H. L. Heydt U 490 In-out Register, Omission of

Manual Resets

6-:1.7-48

^R.^Everett ^U

491

^Spacefor Storage Tub6 IGroup

6-17-48

R. Everett U

492

Substitute for Del~ Counter

6-17-48

R. Kayer ^U 493 Warpage of Signal Plates

6-16-48

^{R. Shaw} ^U

494 7m

Tubes, Conference with

E. Bu'Uer

6-18-48

H • Fahnestock U

495

Fuse Indications Panel Pro-

duction Drawing Approval _6-18~8

c.

Wet. t U

496

A. Register/Program Register

Crys tal. Rectifiers

6-18-48

H. F ahne etock TJ 497 Prototypes of WWI Paa&!.s

6-18-48

H. Fahnestock ^U

498

Program Counter Prototype

Drawing Authorization

6-18-48

H. Fahnestock U 499 Discussion of 7AIJ Production.

~orium, Pennsylvania June

15,

19 8 6-18-48

D. R. Brown ^U

5QO

Fabrication of Power Cables

6-21-48

H. S. Lee Ur

501

Holding G\Ul. Stabili ty Tests

on ST28 .. 1

6-16-48

J. S. Rochefort. ^U

502

MeetiJag . of Electronics Group

k.

U.ad

J..S. 1948 ^6-21-48

^{J. J.}O'Brien U

503

B Register/In-out Register,

.. n. ~ aIUlest,oCJC U

.-.,;. vv.u.'-o "'~V" .u.~_oo U-~')-4U

504

^Paintine

7"

Channel

6-24-48 c. Watt

U